asyncrat | c020c7936719d18af0c8140f8b67a9c80740d793d2a928986ca7671f7af1c1f9

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 15:26

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General

Target

hsbc_mt103.exe
Size

766KB
MD5

d8f7a8dbe9c0a94e1cd735531f97c06f
SHA1

5b47aa4c977edd0543a362361cd5cadfb74d719d
SHA256

c29f0b3c22887b82a623a2c21c6968aa0b7b7046eeae09f83966685c6564a178
SHA512

d981450aa5520f488b55561bb4cad75aad51bbf526fb472fdb9004f8cc4e04d276d7ec32c90342bc1fb655d9a4d38ffbdf9c15a1da5d726f3b6d6d9cfb417d69
SSDEEP

6144:bUZvP6UqKyIX58C9p/Mh2fLPpfP++3ysS8schliR0VT+c:FUryIpv5McfLPVPlCsSRch8R0VT+

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

45.137.22.115:14496

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process	procid_target
PID 3228 set thread context of 3324	3228	hsbc_mt103.exe	96

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

hsbc_mt103.exeRegSvcs.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hsbc_mt103.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

hsbc_mt103.exe

pid	Process
3228	hsbc_mt103.exe
3228	hsbc_mt103.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process
Token: SeDebugPrivilege	3228	hsbc_mt103.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

hsbc_mt103.exe

description	pid	Process	procid_target
PID 3228 wrote to memory of 2536	3228	hsbc_mt103.exe	95
PID 3228 wrote to memory of 2536	3228	hsbc_mt103.exe	95
PID 3228 wrote to memory of 2536	3228	hsbc_mt103.exe	95
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96
PID 3228 wrote to memory of 3324	3228	hsbc_mt103.exe	96

C:\Users\Admin\AppData\Local\Temp\hsbc_mt103.exe
"C:\Users\Admin\AppData\Local\Temp\hsbc_mt103.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:2536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3228-8-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3228-4-0x0000000005510000-0x00000000055AC000-memory.dmp

Filesize
624KB

Download
memory/3228-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3228-3-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/3228-9-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3228-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/3228-6-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3228-10-0x0000000006CE0000-0x0000000006D46000-memory.dmp

Filesize
408KB

Download
memory/3228-2-0x0000000005980000-0x0000000005F24000-memory.dmp

Filesize
5.6MB

Download
memory/3228-1-0x0000000000910000-0x00000000009D6000-memory.dmp

Filesize
792KB

Download
memory/3228-7-0x0000000002CA0000-0x0000000002CB4000-memory.dmp

Filesize
80KB

Download
memory/3228-11-0x0000000006D50000-0x0000000006D62000-memory.dmp

Filesize
72KB

Download
memory/3228-15-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3324-14-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3324-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3324-16-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3324-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download